Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

By contacting support

A supported hotfix is available from Microsoft. However, this hotfix is intended to resolve only the problems that are described in this article. Apply this hotfix only to systems that are experiencing the problems described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:

An x86-based package is also available. Install the OCS2007-KB2404575-x86-OCSCore.msp package on the following computers:

Office Communications Server2007 R2 – Administration Tools - 32 bit

Note When you apply this cumulative update on servers that are running Windows Server 2008 and that have the User Account Control (UAC) enabled, make sure that you start the installation of the update (.msp) by using the elevated Command Prompt. To do this, follow these steps:

Click Run as administrator. If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.

At the command prompt, start the update (.msp).

Removal information

To remove this cumulative update, use the Add or Remove Programs feature in Control Panel.

Sometimes, you are prompted for the source CD when you try to uninstall the cumulative update. If this behavior occurs, insert the source CD or provide the path where the source files can be found.

File information

This update may not contain all the files that you must have to fully update a product to the latest build. This update contains only the files that you must have to resolve the issues that are listed in this article.

After the update is installed, the global version of this update has the file attributes, or a later version of the file attributes, that are listed in the following table:

File name

File version

File size

Date

Time

Platform

Deviceupdate.dll

3.5.6907.206

268,128

12-Nov-2010

15:34

x86

Interop.lctaskhandler.dll

3.5.6907.41

15,728

12-Nov-2010

15:34

x86

Lctaskhandler.dll

3.5.6907.83

2,052,960

12-Nov-2010

15:34

x64

Ocslogger.exe

3.5.6907.205

395,096

12-Nov-2010

15:34

x86

Ocstrace.dll

3.5.6907.205

531,800

12-Nov-2010

15:34

x64

Rtcsres.dll

3.5.6907.56

692,040

12-Nov-2010

15:34

x64

References

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

For more information about the latest updates for Communications Server 2007 R2, click the following article number to view the article in the Microsoft Knowledge Base: